Home / 20,735,469.09-31,100,054.36-7,961,989.41

Finding the Fourth Proportional to 20,735,469.09, 31,100,054.36 and 7,961,989.41

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Solution

The fourth proportional to 20,735,469.09, 31,100,054.36 and 7,961,989.41 is: 11,941,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,469.09 : 31,100,054.36 = 7,961,989.41 : x
  2. Step 2: Convert to fraction form
    20,735,469.09/31,100,054.36 = 7,961,989.41/x
  3. Step 3: Cross multiply
    20,735,469.09x = 31,100,054.36 × 7,961,989.41
  4. Step 4: Simplify right side
    20,735,469.09x = 247,618,303,424,934.38
  5. Step 5: Solve for x
    x = 247,618,303,424,934.38/20,735,469.09
  6. Step 6: Final answer
    x = 11,941,774.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.